5021671 has 4 divisors (see below), whose sum is σ = 5050872. Its totient is φ = 4992472.

The previous prime is 5021663. The next prime is 5021683. The reversal of 5021671 is 1761205.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5021671 - 2³ = 5021663 is a prime.

It is a Duffinian number.

5021671 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5021641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14341 + ... + 14686.

It is an arithmetic number, because the mean of its divisors is an integer number (1262718).

Almost surely, 2^5021671 is an apocalyptic number.

5021671 is a deficient number, since it is larger than the sum of its proper divisors (29201).

5021671 is a wasteful number, since it uses less digits than its factorization.

5021671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29200.

The product of its (nonzero) digits is 420, while the sum is 22.

The square root of 5021671 is about 2240.9085211137. The cubic root of 5021671 is about 171.2442845341.

Adding to 5021671 its reverse (1761205), we get a palindrome (6782876).

The spelling of 5021671 in words is "five million, twenty-one thousand, six hundred seventy-one".